-- ${input.x}
<span>${input.x}<div /></span>
<div>
  <div>
    a
  </div>
  ${input.x}
  ${"Hello Text <a/>"}
  $!{input.x}
  $!{null}
  $!{"Hello HTML <a/>"}

  <script>
    ${"Hello <b> </script>"}
  </script>
</div>
